Answer:
B
Explanation:
B. a box crammed with documents
When the Principal entered the class, a student
on the blackboard.
<u>Explanation</u>:-
The given sentence is in past continuous tense.
The past continuous tense, also referred to as the past progressive tense, is used to express actions at a particular moment in the past. The action started before that moment but has not finished at that moment.
It is composed of two parts : the past tense of the verb "to be" (was/were), and the base of the main verb "+ing".

B <span>permission to use shooting sites</span>
<span>The answer is:</span>
Premise
A premise is a statement or
a proposition that offers support for a particular conclusion. The support or
the reason it gives will be enough to make the conclusion acceptable. A premise
is the basis of the inference that will lead to the conclusion.
Noun , mostly all words are nouns .